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Have astronomers detected elements in the universe that aren’t found in our solar system?

Bill Attwell, Toronto, Ontario, Canada
Supernova
A cloud of gas is all that remains of a massive star that exploded 3,000 years ago. NASA/ES/The Hubble Heritage Team (STScI/AURA)
Supernovae and some stars that aren’t like our present-day Sun create radioactive elements not found in our solar system.

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